306 - “TOURBILLON” BROOCH

“TOURBILLON” BROOCH Gold and diamonds A swirl-shaped brooch in yellow gold, decorated with gadrooned petals formed from gold wires edged with grains, winding around a center paved with brilliant-cut diamonds set on platinum; the center adorned with a brilliant-cut diamond surrounded by eight small diamonds. The central diamond weighs approximately 0.20 carats; the eight surrounding diamonds weigh approximately 0.005 carats each; the arms are set with brilliant-cut diamonds. French craftsmanship, yellow gold and platinum; eagle’s head (gold) and dog’s head (platinum) hallmarks. Master’s hallmark attributed to Jean-Claude Champagnat (initials JC, symbol: a five-pointed star, 15 rue d’Acacia in Paris, engraved on October 22, 1961). Circa 1965. Dimensions: 3.6 × 3.8 cm — Gross weight: 20.6 g.